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About product and suppliers:
        Alibaba.com offers 9,409 qc 3.0 ports usb charger products. About 64% of these are charger, 1% are mobile phone adapters, and 1% are computer cables & connectors. 

A wide variety of qc 3.0 ports usb charger options are available to you, such as mobile phone, computer. You can also choose from free samples, paid samples. 

There are 9,420 qc 3.0 ports usb charger suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 99%, 1%, and 1% of qc 3.0 ports usb charger respectively. 

Qc 3.0 ports usb charger products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,608 with ISO9001, 369 with ISO14001, and 344 with Other certification.